The rate of tooth replacement varies from once every 8 to 10 days to several months.

In contrast, we evolved a system with a single tooth replacement, of milk teeth by adult teeth.

Unlike in manatees, the dugong's teeth do not continually grow back via horizontal tooth replacement.

Implanted teeth provide a stable, effective tooth replacement that feels natural.

It is for this, and its tooth replacement and determinate growth, that Morganucodon is now usually considered a true mammal.

An even lower limit is indicated by the lack of any tooth replacement, which with Archosauria begins after a few weeks at the latest.

A theoretical morphologic approach to tooth replacement in lower vertebrates.

This deep implantation limited tooth replacement, meaning that a broken tooth would have been exposed for a long period of time.

Both show no evidence of ongoing tooth replacement, indicating that the permanent dentition is complete.

In two Neolithic cemeteries, skulls were found that indicated tooth replacement in antiquity.